检查器是将对象适配为XPath信息模型。
An inspector is an object that ADAPTS objects to the XPath information model.
这些对象不太可能变为垃圾，因此收集器很少检查它们。
These objects are less likely to become garbage, so the collector examines them much less frequently.
另外，您必须使用正确的编程风格以检查收集器在使用对象之前是否已经回收了它，如果已经回收了，您首先必须重新创建该对象。
In addition, you must use the correct programming idiom to check if the collector has reclaimed the object before using it, and if it has, you must re-create the object first.
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